Derek Ellis

Senior Vice President & COO

Derek Ellis, M.B.A., joined Westat as the COO on October 15, 2018. He oversees Westat’s support services departments.

Mr. Ellis has 24 years of combined experience that includes senior corporate management, government contracting, professional services, and employee ownership. His expertise is in business and financial operations. Mr. Ellis most recently served as Managing Director, Business Services and Outsourcing, at BDO USA, a major provider of business and financial consulting services. His prior experience also includes 20 years at Science Applications International Corporation (SAIC), a large federal contractor and for many years an employee-owned company.

Mr. Ellis enjoys spending time with his family and shuttling his two boys to their many activities. Hitting the links is one of his big passions, and he can be found on the golf course many weekends, participating in tournaments or just working on his swing.


M.B.A., Finance, George Mason University
B.A., Finance (Mathematics), Radford University

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